So what your saying is you would take your dog the vet everytime it got bitten by a rat? Come on get real, thats what the dogs are for, unfortunate as it may be, its a rare occassion for human or dog to get infected with wiels, hardly warrents a trip to the vet after every bite.
Shame about your dog mate, one of them things, atleast you can take comfort in knowing the dog died from the job it loved
here here lol